6 layers415 × 335 mm
Space bms hil
atopile/hil
Hardware-In-the-Loop (HiL ⛰️) for high-quality validation 🧪 everywhere 🚀
1,742 parts29MIT
2 layers
Variable resistor
atopile/hil29Hardware-In-the-Loop (HiL ⛰️) for high-quality validation 🧪 everywhere 🚀
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 23
- Pads
- 61
- Tracks, vias
- 135, 16
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 24 Jan 2025
- Updated
- 22 May 2025
Overview
Variable resistor is an open-source printed circuit board by atopile, from the atopile/hil repository on GitHub, published under the MIT licence. It is a 2-layer board with 20 parts on 23 nets, routed with 135 tracks and 16 vias.
Its parts include 7 resistors, 6 capacitors, 6 ICs and 1 transistor.
README
README.mdHardware Test 🧪 for Happy Engineers, PMs and CTOs
Hardware-in-the-Loop, or HiL (sometimes HitL), is a way to continuously validate your hardware and firmware together. By connecting actual hardware to virtual test scenarios, HiL enables thorough testing of embedded systems, control units, and firmware under realistic conditions without the risks and costs of full physical testing.
HiL testing catches integration issues early, accelerates development cycles, and ensures robust system performance before deployment. Typically the domain of the most sophisticated automotive and aerospace companies, this HiL suite is now for all 🚀.
Usage
If you haven't already, get atopile and run through the quickstart and tutorial.
This suite is intended to be used as a dependency on your project. So, create a new project (ato create project) and add this suite as a dependency (ato install https://github.com/atopile/hil)
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 1pF 50V C0G | atopile:C0402-b3ef17 | C1, C2, C3, C4, C5, C6 |
| 4 | 100Ω ±1% 100mW | atopile:R0603-ebcab9 | R1, R2, R5, R6 |
| 2 | atopile:TO-220-2_L10.4-W3.2-P5.08-L-bf0258 | R4, R7 | |
| 1 | atopile:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-6ccfeb | U5 | |
| 1 | lib:SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL | U1 | |
| 1 | lib:SOT-563_L1.6-W1.2-P0.50-LS1.6-TL | U6 | |
| 1 | atopile:TO-220-3_L10.0-W4.5-P2.54-T-277d92 | Q1 | |
| 1 | 100mΩ ±1% 250mW | atopile:R1206-bdb864 | R3 |
| 1 | 10kΩ ±1% 100mW | atopile:R0603-ebcab9 | U3 |
| 1 | 1kΩ ±1% 100mW | atopile:R0603-ebcab9 | U2 |
| 1 | BW CMRR Ib Vos GBW Iout SR | atopile:SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-6ccfeb | U4 |
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Questions
What parts does the Variable resistor use?
20 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Variable resistor KiCad files?
From the atopile/hil repository on GitHub, at the commit this page was made from: the board is elec/layout/variable-resistor/variable-resistor.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Variable resistor design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).